CVE-2026-23661 is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed March 10, 2026; most recent activity March 10, 2026.
Microsoft Office Excel has multiple vulnerabilities that allow unauthorized attackers to execute code locally. These include an out-of-bounds read, use after free, untrusted pointer dereference, heap-based buffer…